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Porth Ceriad Surf Forecast
/ Wales – Lleyn (14 surf breaks) /
Surf Forecasts:
Porth Ceriad surfForecast / Wales – Lleyn / UK
48hr Weather and Surf, issued 6 pm Sunday 17 May 2026 BSTForecast update in hr min s Forecast update imminent
Porth Ceriad surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Porth Ceriad sea temperature is
11.7° C
(Which is slightly warmer than usual)How big are the waves at Porth Ceriad today?
The current surf forecast for Porth Ceriad at 12AM is: 1.3m 6s primary swell from a West-southwest direction and 0.1m 11s secondary swell from a West direction (forecast issued at 06:00pm May 17). The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 3.5ft (1.1m) | 7s |
| Afternoon (18 May) | 2.5ft (0.7m) | 7s |
| Evening (18 May) | 3ft (0.9m) | 6s |
Table - waves today at Porth Ceriad. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 22mm), heaviest during Mon night. Very mild (max 12°C on Mon night, min 9°C on Sun afternoon). Winds increasing (light winds from the W on Sun night, strong winds from the SW by Tue afternoon). | ||||||||||||||||||||||||
Sun 17 | Monday 18 | Tuesday 19 | Wed 20 | |||||||||||||||||||||
4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SW 4 | SW 5 | WSW 5 | WSW 6 | WSW 6 | WSW 7 | SW 7 | SW 7 | SW 7 | SW 6 | SSW 6 | SW 6 | SSW 6 | SSW 7 | SSW 7 | SW 7 | SW 7 | SW 7 | SW 8 | SW 8 | SW 8 | SW 9 | SW 6 | SW 6 | |
40 | 76 | 97 | 100 | 106 | 110 | 65 | 47 | 36 | 20 | 65 | 58 | 218 | 215 | 178 | 269 | 432 | 552 | 755 | 804 | 698 | 643 | 252 | 202 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross | cross-on | cross-on | cross | cross | cross-on | on | on | on | on | cross-on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 9:27PM4.69m | 9:50AM4.65m | 10:11PM4.70m | 10:37AM4.48m | 10:58PM4.58m | 11:26AM4.19m | ||||||||||||||||||
Low Tide | 4:14PM0.22m | 4:39AM0.16m | 5:02PM0.31m | 5:30AM0.18m | 5:51PM0.47m | 6:24AM0.28m | ||||||||||||||||||
 |  |  | |  | |  |  | | | | | | | | | | | | |  | | | | |
 | — | — | — | — | 5:16 | — | — | — | — | — | — | — | 5:15 | — | — | — | — | — | — | — | 5:13 | — | — | — |
 | — | 9:10 | — | — | — | — | — | — | — | 9:12 | — | — | — | — | — | — | — | 9:14 | — | — | — | — | — | 9:15 |
1 | 1 | 1 | 2 | 1 | 1 | — | — | — | — | 2 | 4 | 3 | 3 | 1 | — | — | — | 1 | 1 | — | — | — | — | |
Temp °C | 9 | 10 | 10 | 9 | 9 | 9 | 9 | 10 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 12 | 12 |
3 | 4 | 4 | 3 | 4 | 6 | 6 | 6 | 6 | 6 | 4 | 3 | 2 | 5 | 5 | 4 | 3 | 3 | 3 | 4 | 5 | 5 | 5 | 6 | |
Swell 1 Height (m) Direction Period (s) | NW 4 | — | — | W 11 | WSW 6 | W 11 | SW 7 | SW 7 | SW 7 | SW 6 | SW 6 | SW 6 | SW 6 | — | — | — | — | — | — | — | — | — | — | — |
 kJ | 3 | — | — | 3 | 58 | 3 | 65 | 47 | 36 | 20 | 10 | 58 | 49 | — | — | — | — | — | — | — | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | W 12 | W 11 | NW 4 | WNW 4 | — | — | W 10 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | 3 | 3 | 2 | 1 | — | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 4 | SW 5 | WSW 5 | WSW 6 | WSW 6 | WSW 7 | — | — | — | SW 4 | SSW 6 | SSE 4 | SSW 6 | SSW 7 | SSW 7 | SW 7 | SW 7 | SW 7 | SW 8 | SW 8 | SW 8 | SW 9 | SW 6 | SW 6 |
| kJ | 40 | 76 | 97 | 100 | 106 | 110 | — | — | — | 6 | 65 | 25 | 218 | 215 | 178 | 269 | 432 | 552 | 755 | 804 | 698 | 643 | 252 | 202 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 289 | 289 | 289 | 289 | 3 | 3 | 3 | 3 | 236 | 301 | 301 | 335 | 312 | 201 | 301 | 312 | 308 | 307 | 298 | 303 | 303 | 303 | 373 | 373 |
Best forecast wave conditions in Lleyn Peninsula | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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